. Slacken the union nut of the ventilation pipe
towards the quick-acting air-vent valve and
remove the whole quick-acting vent valve
upwards.
.Releasethe flow andreturn compressionfittings.
. Pushthe flue pipe damperupwards.
.Unscrewand drain the boiler siphon.
. Undoscrewfrom the lid/rear panel.
.Lift the complete combustion chamber unit out
until the condensatedrain connectionisfree and
the combustion chamber unit can be removed
towards the front.
Maintenance
Screw,lid, rear panel
Fig.: Union nut/rear panel,lid
Flowcompressionfitting Returncompressionfitti ng
Fig.: Compressionfittings
Boilersiphon
Fig.: Boilersiphon
Combustion chamber unit
Fig.: Combustionchamber unit
/
.~
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